hamas fire a rocket at jerusalem. throughout the city in arab neighborhoods and jewish neighborhoods. reporter: israel's iron dome defense system proving particularly effective as in this attack on tel aviv, intercepting a significant proportion of incoming rockets. at least three israelis and 40 palestinians have been killed, men civilians. across the city, residents live in fear of israeli air strikes. this man says, all night we were worried whether they will shell or not or if they will target our house or not. the wounded arrived at the hospital, and across the border as many as 5,000 reservists called up. thousands of military vehicles and troops massing, all ahead of a possible ground operation. >> more people on the fire now. this is the police, we have to protect. again, again. let's go. let's go. >> abc news, new york. >> ama: rebel forces in syria have reportedly taken control of an airport along the bored irwith iraq. opposition fighters have overrun the airport. the airport has been turned into a military